Vulnerabilities > CVE-2019-11921 - Out-of-bounds Write vulnerability in Facebook Proxygen

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
low complexity
facebook
CWE-787

Summary

An out of bounds write is possible via a specially crafted packet in certain configurations of Proxygen due to improper handling of Base64 when parsing malformed binary content in Structured HTTP Headers. This issue affects versions of proxygen prior to v2019.07.22.00.

Vulnerable Configurations

Part Description Count
Application
Facebook
141

Common Weakness Enumeration (CWE)